Hydrogen Sulfide 5/b, 5 - 60 PPM, Part # CH29801, 10 Tests 

Application Range

Standard Measuring Range: 5 to 60 ppm

Number of Strokes n: 10

Time for Measurement: approx. 4 min

Standard Deviation: ± 5 to 10 %

Color Change: white š brown

Ambient Operating Conditions

Temperature: 0 to 60 °C

Absolute Humidity: < 40 mg H2O / L

Reaction Principle

H2S + Pb2+ š PbS + 2 H+

Cross Sensitivity

Sulfur dioxide can cause plus errors of up to 50%. Sulfur dioxide alone does not discolor the indicating layer.

Extension of the Measuring Range

Using n = 1, multiply the reading by 10; the measuring range will be 50 to 600 ppm.